Police are investigating an armed robbery today in which a woman was pistol-whipped by an intruder.

The woman, 57, awoke to find a man in her Kanunu Street apartment in Kaka'ako at 12:40 a.m. She was threatened with a pistol and struck on the head with the gun while trying to stop the man from fleeing with undisclosed items taken from the apartment.

The suspect was still at large, police said.

Park break-in suspect held

A 36-year-old man with no permanent address was charged yesterday for allegedly breaking into the Koko Head District Park office Saturday morning. Kenneth Sandow was charged with two counts of second-degree burglary and is being held in lieu of $20,000 bail.

Police said Sandow used a battering ram to enter the office building. The burglary was reported at 6:30 a.m. Sandow was arrested at 7:15 a.m. on Kaumakani Street near the park.

Man questioned about a beating

Police are questioning an 18-year-old man about serious injuries suffered by another man, 29, in what appears to be a beating that occurred after a traffic incident Friday in Waipahu. The injured man was taken unconscious to The Queen's Medical Center, and police have no updated condition report.

The case is classified as a second-degree assault investigation.

Kalihi robbery suspect arrested

One of two men suspected of robbing a 7-Eleven store at 1900 Dillingham Blvd. in Kalihi yesterday was arrested shortly after the 8:50 p.m. holdup was reported, thanks to license number and vehicle description provided by a witness.

The driver of the car, an 18-year-old man, was arrested. His passenger, however, eluded police.

The arrested man was identified by witnesses as one of the robbers, police said.

Kalaeloa crash victim identified

The medical examiner’s office today identified a Navy man killed Saturday night in a one-car crash at Kalaeloa on Roosevelt Avenue near Copahee Avenue as Nicholas Lopez, 20, of Kapolei.

Lopez was a passenger in a 1997 Chevy Camero that crashed through a locked gate and struck a canal wall at 11:30 p.m. He was ejected from the vehicle and pronounced dead at the scene. The car’s driver, a 20-year-old man, is in guarded condition at The Queen’s Medical Center, according to police.

Vehicular homicide investigator Sgt. John Agno said speed appears to be a factor in the crash. Lopez is O‘ahu’s 37th traffic fatality of the year.

Murder attempt in Ma'ili probed

Police are investigating yesterday’s stabbing of a 34-year-old Ma'ili man as an attempted murder. The man was taken to The Queen’s Medical Center with a stab wound to the shoulder at about 2 p.m. He told police that his girlfriend, 34, stabbed him during an argument at their Heleuma Street home.

The woman was arrested at 10 p.m. yesterday at her residence.

Teens allegedly threaten guard

Two boys, ages 17 and 15, were arrested by police today on suspicion of threatening a Daiei Waipahu security guard with a knife and handgun. The incident was reported at 12:30 a.m.